Display screen with transitional icon



FIG. 1 is the first image in a sequence for a display screen with transitional icon showing the new design; and,

FIG. 2 is the second image thereof.

The broken line showing of the remainder of the display screen is for environmental purposes only and forms no part of the claimed design. The appearance of the icon sequentially transitions from FIGS. 1-2. The process or period in which one image transitions to another forms no part of the claimed design. 

CLAIM The ornamental design for a display screen with transitional icon, as shown and described. 